package com.itheima.countdownlatchdemo;

import java.util.concurrent.CountDownLatch;

public class SheShou implements Runnable{

    private CountDownLatch lock;

    public SheShou(CountDownLatch lock) {
        this.lock = lock;
    }

    @Override
    public void run() {
        //进来先等着

        // 发射
        //System.out.println("嘭");

    }
}
